PCA EPT7079GM

Miniature Token Ring Transceiver Module
EPT7079GM
ELECTRONICS INC.
• Optimized for 120Ω •
• Recommended for UTP or STP Transmission •
• Complies with or exceeds IEEE 802.5 Requirements •
Electrical Parameters @ 25° C
Impedance
(Ω)
[Xmit/Rcv]
Insertion Loss
(dB)
Chip Side 1-16 MHz
Max.
120
24MHz
Max.
Return Loss
(dB Min.)
36 MHz
Min.
1-6
MHz
44 MHz
Min.
6-17
MHz
Common Mode Rejection
(dB Min.)
17-25
MHz
1-24
MHz
130
MHz
Crosstalk
(dB Min.)
300
MHz
1-16
MHz
24
MHz
-50
-40
Cable Side Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv
120
-.8
-.8
-1.7 -1.7
-10
-10
-20
-20
-16
-16
-16
-16
-8
-8
-45
-45
-25
-25
-20
-20
Schematic
Receive
Transmit
16
1
10
7
3
14
Filter
5
Filter
12
13
4
9
8
2
15
Package
Dimensions
A
J
Pin 1
I.D.
N
PCA
EPT7079GM
Date Code
B
Pad
Layout
Q
M
D
E
C
K
L
H
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
P
F
I
Dim.
Min.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
Q
.880
.365
.360
--.010
--.490
.018
.008
--0°
.025
---------
(Inches)
Max. Nom.
.900
.385
.370
--.020
--.510
.022
.012
--8°
.045
---------
.890
.375
.365
.700
.015
.100
.500
.020
.010
.095
--.035
.040
.100
.055
.540
(Millimeters)
Min. Max. Nom.
22.35
9.27
9.14
--.254
--12.45
.457
.203
--0°
.635
---------
22.86
9.78
9.39
--.508
--12.95
.559
.305
--8°
1.14
---------
22.61
9.52
9.27
17.78
.381
2.54
12.70
.508
.254
2.41
--.889
1.02
2.54
1.40
13.72
G
CST7079GM
Rev. B
5/21/99
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com